[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 241057
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
805 AM EDT WED MAR 24 2010

TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL
AMERICA...GULF OF MEXICO...CARIBBEAN SEA...NORTHERN SECTIONS
OF SOUTH AMERICA...AND ATLANTIC OCEAN TO THE AFRICAN COAST
FROM THE EQUATOR TO 32N. THE FOLLOWING INFORMATION IS BASED
ON SATELLITE IMAGERY...METEOROLOGICAL ANALYSIS...WEATHER
OBSERVATIONS...AND RADAR.

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
1015 UTC...

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 5N6W 2N13W 3N26W 2N35W 3N46W 2N52W.
CLUSTERS OF SCATTERED MODERATE/STRONG CONVECTION ARE FROM 7N TO
S OF THE EQUATOR E OF 17W ACROSS THE PRIME MERIDIAN. CLUSTERS OF
SCATTERED MODERATE/ISOLATED STRONG CONVECTION ARE FROM 5N TO S
OF THE EQUATOR BETWEEN 41W-49W.

...DISCUSSION...

GULF OF MEXICO...
A DEEP LAYERED RIDGE COVERS THE GULF WITH THE SURFACE RIDGE
ANCHORED BY A 1020 MB HIGH NEAR 28N86W AND THE UPPER LEVEL RIDGE
AXIS EXTENDS FROM AN UPPER HIGH IN THE E PACIFIC REGION ACROSS S
MEXICO TO OVER THE MISSISSIPPI VALLEY. UPPER LEVEL MOISTURE IS
BEING DRAWN OVER THE NW GULF IN THE FORM OF HIGH CLOUDS. STRONG
SUBSIDENCE AND DRY STABLE ALOFT IS GIVING MOST OF THE GULF
GENERALLY CLEAR SKIES THIS MORNING. NEXT COLD FRONT IS EXPECTED
TO EMERGE OFF THE TEXAS GULF COAST ON THURSDAY.

CARIBBEAN SEA...
A STATIONARY FRONT ENTERS THE CARIBBEAN THROUGH THE WINDWARD
PASSAGE TO OVER E JAMAICA. FRESH TO STRONG EASTERLY TRADE WINDS
CONTINUE ACROSS THE CARIBBEAN WITH PATCHES OF BROKEN/OVERCAST
LOW CLOUDS WITH ISOLATED AREAS OF FOG/HAZE/DRIZZLE WITHIN 125 NM
OF LINE FROM CUBA NEAR 21N79W TO INLAND OVER CENTRAL AMERICA
NEAR 15N89W. AN UPPER RIDGE AXIS EXTENDS FROM ACROSS NICARAGUA
AND HONDURAS NEAR 15N84W TO THE MONA PASSAGE INTO THE CENTRAL
ATLC. STRONG SUBSIDENCE AND DRY AIR ALOFT ARE NOTED ON WATER
VAPOR IMAGERY ACROSS THE ENTIRE BASIN AND ARE RESULTING IN
MOSTLY CLEAR SKIES ACROSS THE REMAINDER OF THE CARIBBEAN THIS
MORNING.

ATLANTIC OCEAN...
A COLD FRONT ENTERS THE W ATLC E OF BERMUDA NEAR 32N61W
EXTENDING SW TO 25N68W BECOMING STATIONARY AS IT CONTINUES
ACROSS THE TURKS AND CAICOS INTO THE CARIBBEAN THROUGH THE
WINDWARD PASSAGE. SCATTERED SHOWERS/ISOLATED THUNDERSTORMS ARE
WITHIN 120 NM EITHER SIDE OF THE COLD FRONT WITH ISOLATED
SHOWERS POSSIBLE WITHIN 150 NM W OF THE STATIONARY FRONT. THE
UPPER LEVEL TROUGH SUPPORTING THIS FRONT COVERS THE W ATLC N OF
24N BETWEEN 59W-80W. A SURFACE RIDGE DOMINATES THE REMAINDER OF
THE ATLC ANCHORED BY A 1027 MB HIGH NEAR 33N42W. AN UPPER TROUGH
REMAINS OVER THE E ATLC N OF 17N E OF 35W TO THE COAST OF W
AFRICA WITH THE ASSOCIATED COLD FRONT N OF THE REGION.
HOWEVER...DUE THE STRONG SURFACE HIGH PRESSURE...THE ATLC E OF
55W IS EXPERIENCING FAIR WEATHER TONIGHT.

FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

$$
WALLACE




This weather bulletin was brought to you by:
www.nashvilleweather.net